PSYC 211 Chapter Notes - Chapter 7: Medial Geniculate Nucleus, Basilar Membrane, Cochlear Implant

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Audition, the body senses, and the chemical senses. Incus: the anvil ; the second of the three ossicles. Perception of pitch: belt region: the first level of auditory association cortex; surrounds the primary auditory cortex. Parabelt region: the second level of auditory association cortex; surrounds the belt region. Stimuli: cutaneaous sense: sensitivity to stimuli that involve the skin. The stimulus: we hear sound, produced by objects that vibrate and set molecules in the air into motion, when vibrations range between appr. 30 and 20,000 times per second: the ear is a analytical organ, to undo, two different frequencies of sound waves are mixed, we do not precieve an intermediate tone; instead, we hear both tones. Ex) able to hear sounds of different instruments in music. Sound is funnelled via the pinna( external ear) through the ear canal to the tympanic membrane (eardrum), which vibrates with the sound: the middle ear consists of a hollow region behind the tympanis membrane, appr.

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